Engines and Components Engine Bearings

Mahle

Engine Connecting Rod Bearing Set 86-73 GMC 4.8L CB-663A(6)

$29.82

SKU: M002 CB663A6

In Stock
In Stock
Ships by Jun 14
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Mahle Clevite CB663A6 is a set of connecting rod bearings designed for optimal performance and durability. These bearings are constructed from bi-metal AL-5 material, known for its strength and wear resistance. They feature specific dimensions including a rod journal size of 2.0990/2.1000 inches and a rod housing bore of 2.2247/2.2252 inches. The maximum length of the bearing is .842 inches, with a maximum wall thickness of .0620 inches.

Fitment

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Specifications

BrandMahle
Part NumberM002 CB663A6

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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